Sanyo KS0951 Technical & Service Manual
Split system air conditioner
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Also See for KS0951:
- Instruction manual (24 pages) ,
- Installation instructions manual (22 pages) ,
- Specification sheet (3 pages)
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TECHNICAL & SERVICE MANUAL
KS0951 / C0951, CL0951
KS1251 / C1251, CL1251
KS1852 / C1852, CL1852
SPLIT SYSTEM AIR CONDITIONER
Indoor Model No.
KS0951
KS1251
KS1852
Indoor Unit
KS0951
KS1251
KS1852
Revised Edition
To reflect various changes and improvements, this manual replaces the earlier
Technical & Service Manual for these models.
You are requested to dispose of the earlier document and substitute this new one.
Product Code No.
1 852 067 95
1 852 067 96
1 852 068 34
JUL. 2000
FILE NO.
Destination: U.S.A.
Outdoor Model No.
Product Code No.
C0951
1 852 067 97
CL0951
1 852 069 44
C1251
1 852 067 98
CL1251
1 852 067 99
C1852
1 852 068 35
CL1852
1 852 068 36
Outdoor Unit
C0951, CL0951
C1251, CL1251
C1852, CL1852
REFERENCE NO.
W
SM
700433
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Chapters
Table of Contents
Troubleshooting
Related Manuals for Sanyo KS0951
Summarization of Contents
SPLIT SYSTEM AIR CONDITIONER
Product Identification and Overview
Lists model numbers, product codes, and provides unit images for various Sanyo models.
Important Safety and Installation Guidelines
General Safety Precautions
Crucial read-before-starting information, warnings, and cautions for safe operation.
Installation Considerations
Guidance on installing units in different environments and positions like walls or ceilings.
Servicing and Handling Precautions
Advice on wiring, transport, and servicing procedures to ensure safety.
Operating Range
Cooling Model Temperature Limits
Specifies acceptable indoor and outdoor air intake temperature ranges for cooling operation.
Specifications
Unit Specifications (KS0951/C0951)
Detailed performance, electrical, and dimensional data for KS0951 indoor and C0951/CL0951 outdoor units.
Unit Specifications (KS1251/C1251)
Detailed performance, electrical, and dimensional data for KS1251 indoor and C1251/CL1251 outdoor units.
Unit Specifications (KS1852/C1852)
Detailed performance, electrical, and dimensional data for KS1852 indoor and C1852/CL1852 outdoor units.
Major Component Specifications (Indoor Units)
Details on PCBs, motors, and coils for KS0951, KS1251, and KS1852 indoor units.
Major Component Specifications (Outdoor Units)
Details on PCBs, compressors, motors, and coils for outdoor units.
Other Component Specifications (Indoor Units)
Transformer and thermistor specifications for indoor units.
Other Component Specifications (Outdoor Units)
PTC thermistors, transformers, relays, and thermistors for outdoor units.
Dimensional Data
Indoor Unit Dimensions
Visual representation and measurements for KS0951/KS1251 and KS1852 indoor units.
Outdoor Unit Dimensions
Visual representation and measurements for C0951/CL0951/C1251/CL1251 and C1852/CL1852 outdoor units.
Refrigerant Flow Diagram
Cooling Cycle Diagram
Schematic illustrating the refrigerant path during the cooling cycle for all models.
Performance Data
Cooling Characteristics Charts
Graphs showing operating current and low pressure vs. temperatures for KS0951, KS1251, and KS1852 models.
Air Throw Distance Charts
Charts illustrating airflow velocity and vertical distance for KS0951, KS1251, and KS1852 indoor units.
Cooling Capacity Tables
Tables detailing cooling capacity (BTU/h) under various temperature conditions for all models.
Electrical Data
Electrical Characteristics
Electrical ratings, running amps, and power input for KS0951, KS1251, and KS1852 models.
Electric Wiring Diagrams
Wiring schematics for indoor and outdoor units, illustrating connections.
Printed Circuit Board Diagrams
Layouts and component references for printed circuit boards used in the units.
Installation Instructions
Installation Site Selection
Guidelines for choosing optimal locations for indoor and outdoor units, including elevation and tubing limits.
Remote Control Unit Installation Position
Instructions and best practices for mounting the remote control unit.
Address Switch Configuration
Steps for setting address switches for multiple indoor units in one room.
Air Conditioner Functions
Room Temperature Control
Explanation of how the unit cycles the compressor based on room temperature.
Dry Operation (Dehumidification)
Description of the dehumidification mode and its operation.
Freeze Prevention Function
How the unit prevents the indoor heat exchange coil from freezing.
Outdoor Fan Speed Control (CLxxxx Models)
Low ambient fan speed control mechanism for specific outdoor unit models.
Troubleshooting Guide
Initial Checks Before Troubleshooting
Basic checks for power supply, wiring, and connections before diagnosing issues.
Unit Not Operating Troubleshooting
Steps for diagnosing issues when the air conditioner does not run or trips the breaker.
Component Issues Troubleshooting
Diagnosis for specific component failures like outdoor unit, fans, or compressor.
Partial Operation Failure Troubleshooting
Troubleshooting issues with indoor fan, outdoor fan, or compressor.
Observed Abnormalities Troubleshooting
Addressing issues like fan problems, excessive cooling, and abnormal sounds.
Sensor Defect Diagnosis
Identifying and diagnosing issues related to defective indoor coil or room temperature sensors.
Checking Electrical Components
Insulation Resistance Measurement
Procedures for measuring insulation resistance of wires, units, and electrical parts.
Fuse and Motor Capacitor Checks
Methods for checking fuse continuity and motor capacitor functionality.
Product Features Overview
Key Product Features
Highlights microprocessor control, timers, filters, and other features.
Product Information and Alert Symbols
Product Information Fields
Fields for recording model, serial number, and purchase date.
Explanation of Alert Symbols
Definitions of WARNING and CAUTION symbols used in the manual.
Installation Location and Electrical Requirements
Installation Location Guidelines
Recommendations for optimal placement of units to ensure performance and safety.
Electrical Requirements and Safety
Essential electrical codes, grounding, and wiring safety instructions.
General Safety Instructions for Use
Precautions for operating the air conditioner safely and preventing hazards.
Names of Parts
Indoor and Outdoor Unit Components Identification
Identification of key parts of the indoor and outdoor units with diagrams.
Unit Display and Operation Selector
Indoor Unit Controls and Indicators
Explains the operation selector, lamps, and remote control receiver on the indoor unit.
Remote Control Unit Display Symbols
Remote Control Display Icon Meanings
Explains the meaning of various symbols shown on the remote control display.
Remote Control Unit Operation
Remote Control Unit Buttons and Functions
Detailed explanation of each button on the remote control and its function.
Using the Remote Control Unit
Remote Control Battery Installation
Instructions for installing and replacing batteries in the remote control unit.
Remote Control Unit Mounting Options
Methods for mounting the remote control unit on a wall, either removable or non-removable.
Operation with the Remote Control Unit
Manual Operation Procedure
Step-by-step guide for manual operation using the remote control.
Adjusting Fan Speed
How to set fan speed automatically or manually via the remote control.
Night Setback Mode Operation
Explanation of the energy-saving night setback feature.
Special Remarks on Operation
"Dry" Operation and Other Notes
Details on dry mode, power failure restart, clicking sounds, and specific model combinations.
Timer Operations
12-Hour ON and OFF Timer Usage
How to set the 12-hour timer for unit operation or shutdown.
1-Hour OFF Timer Functionality
Explanation of the 1-hour timer and its cancellation.
Combining Timer Functions
How to use the 1-hour timer in conjunction with the 12-hour timer.
Adjusting Airflow Direction
Horizontal and Vertical Airflow Adjustment
Instructions for manually adjusting airflow direction and using the sweep function.
Operation Without Remote Control
Manual Operation Using Unit Controls
How to operate the unit directly using the indoor unit's controls.
Care and Cleaning Procedures
Indoor Unit Cleaning and Maintenance
Guidelines for cleaning the indoor unit's casing, grille, and filters.
Filter Maintenance and Replacement
Procedures for cleaning and replacing anti-mold and air cleaning filters.
Grille Removal and Washing
Instructions for removing and washing the air intake grille.
Tips for Energy Saving
Energy Saving Recommendations
Advice on optimizing unit performance and reducing energy consumption.
Troubleshooting Summary
Common Troubles and Remedies
A list of common issues and their solutions or diagnostic steps.
Operating Range Summary
A quick reference for the operational temperature limits of the air conditioner.
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